added delete presentation string to en.json and delete presentation form (#5510)

app/assets/locales/en.json

@@ -130,6 +130,7 @@
       "click_to_upload": "Click to Upload",
       "drag_and_drop": " or drag and drop",
       "upload_description": "Upload any office document or PDF file (not larger than {{size}}). Depending on the size of the file, it may require additional time to upload before it can be used",
+      "delete_presentation": "Delete Presentation",
       "are_you_sure_delete_presentation": "Are you sure you want to delete this presentation?"
     },
     "shared_access": {

app/javascript/components/rooms/room/presentation/forms/DeletePresentationForm.jsx

@@ -37,7 +37,7 @@ export default function DeletePresentationForm({ handleClose }) {
       <Stack direction="horizontal" className="mb-3">
         <ExclamationTriangleIcon className="text-danger hi-xl" />
         <Stack direction="vertical" className="ps-3">
-          <h3> { t('recording.delete_recording') } </h3>
+          <h3> { t('room.presentation.delete_presentation') } </h3>
           <p className="mb-0"> { t('room.presentation.are_you_sure_delete_presentation') } </p>
           <p className="mt-0"><strong> { t('action_permanent') } </strong></p>
         </Stack>